ALB在节点应用中启用健康检查的代码

import http.server
import socketserver
import requests

class MyRequestHandler(http.server.BaseHTTPRequestHandler):
    def do_GET(self):
        self.send_response(200)
        self.send_header('Content-type', 'text/plain')
        self.end_headers()
        self.wfile.write(b'OK')

PORT = 8000
server = socketserver.TCPServer(('', PORT), MyRequestHandler)

def check_health():
    try:
        response = requests.get('http://localhost:{}/'.format(PORT))
        return response.status_code == 200
    except requests.exceptions.RequestException:
        return False

server.check_health = check_health

server.serve_forever()